new(docker): initial work towards new docker images.

Signed-off-by: Federico Di Pierro <nierro92@gmail.com>

docker/driver-loader-legacy/Dockerfile

@@ -124,6 +124,9 @@ RUN curl -L -o binutils_2.30-22_${TARGETARCH}.deb https://download.falco.org/dep
 	&& dpkg -i *binutils*.deb \
 	&& rm -f *binutils*.deb
 	
+# Install latest falcoctl
+RUN curl -L -o falcoct.tar.gz $(curl -s "https://api.github.com/repos/falcosecurity/falcoctl/releases/latest" | jq -r '.assets[] | select(.name|test(".linux_$TARGETARCH.tar.gz")) | .browser_download_url') && tar -xvf falcoctl.tar.gz && mv falcoctl /usr/bin
+
 COPY ./docker-entrypoint.sh /
 
 ENTRYPOINT ["/docker-entrypoint.sh"]

docker/driver-loader-legacy/docker-entrypoint.sh

@@ -124,3 +124,5 @@ else
 fi
 
 /usr/bin/falcoctl driver install --compile=$ENABLE_COMPILE --download=$ENABLE_DOWNLOAD --http-insecure=$HTTP_INSECURE --http-headers="$FALCOCTL_DRIVER_HTTP_HEADERS"
+
+exec /usr/bin/falco

docker/driver-loader/Dockerfile

@@ -1,5 +1,5 @@
 ARG FALCO_IMAGE_TAG=latest
-FROM docker.io/falcosecurity/falco:${FALCO_IMAGE_TAG}
+FROM docker.io/falcosecurity/falco:${FALCO_IMAGE_TAG}-debian
 
 LABEL maintainer="cncf-falco-dev@lists.cncf.io"
 LABEL org.opencontainers.image.source="https://github.com/falcosecurity/falco"
@@ -9,6 +9,42 @@ LABEL usage="docker run -i -t --privileged -v /root/.falco:/root/.falco -v /proc
 ENV HOST_ROOT /host
 ENV HOME /root
 
+RUN cp /etc/skel/.bashrc /root && cp /etc/skel/.profile /root
+
+RUN apt-get update \
+	&& apt-get install -y --no-install-recommends \
+	bc \
+	bison \
+	ca-certificates \
+	clang \
+	curl \
+	dkms \
+	dwarves \
+	flex \
+	gcc \
+	gcc-11 \
+	gnupg2 \
+	jq \
+	libc6-dev \
+	libelf-dev \
+	libssl-dev \
+	llvm \
+	make \
+	netcat-openbsd \
+	patchelf \
+	xz-utils \
+	zstd \
+	&& rm -rf /var/lib/apt/lists/*
+	
+# Install latest falcoctl
+RUN curl -L -o falcoct.tar.gz $(curl -s "https://api.github.com/repos/falcosecurity/falcoctl/releases/latest" | jq -r '.assets[] | select(.name|test(".linux_$TARGETARCH.tar.gz")) | .browser_download_url') && tar -xvf falcoctl.tar.gz && mv falcoctl /usr/bin
+
+# Some base images have an empty /lib/modules by default
+# If it's not empty, docker build will fail instead of
+# silently overwriting the existing directory
+RUN rm -df /lib/modules \
+	&& ln -s $HOST_ROOT/lib/modules /lib/modules
+
 COPY ./docker-entrypoint.sh /
 
 ENTRYPOINT ["/docker-entrypoint.sh"]

docker/driver-loader/docker-entrypoint.sh

@@ -136,3 +136,5 @@ else
 fi
 
 /usr/bin/falcoctl driver install --compile=$ENABLE_COMPILE --download=$ENABLE_DOWNLOAD --http-insecure=$HTTP_INSECURE --http-headers="$FALCOCTL_DRIVER_HTTP_HEADERS" $extra_args
+
+exec /usr/bin/falco

docker/falco-debian/Dockerfile

@@ -0,0 +1,34 @@
+FROM debian:12-slim
+
+LABEL maintainer="cncf-falco-dev@lists.cncf.io"
+LABEL org.opencontainers.image.source="https://github.com/falcosecurity/falco/docker/falco-debian"
+
+LABEL usage="docker run -i -t -v /var/run/docker.sock:/host/var/run/docker.sock -v /dev:/host/dev -v /proc:/host/proc:ro --name NAME IMAGE"
+
+ARG FALCO_VERSION
+ARG VERSION_BUCKET=deb
+
+ENV FALCO_VERSION=${FALCO_VERSION}
+ENV VERSION_BUCKET=${VERSION_BUCKET}
+
+ENV HOST_ROOT /host
+ENV HOME /root
+
+RUN apt-get -y update && apt-get -y install ca-certificates curl jq libelf1 ca-certificates \
+    && apt clean -y && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /
+
+RUN curl -s https://falco.org/repo/falcosecurity-packages.asc | apt-key add - \
+	&& echo "deb https://download.falco.org/packages/${VERSION_BUCKET} stable main" | tee -a /etc/apt/sources.list.d/falcosecurity.list \
+	&& apt-get update -y \
+	&& if [ "$FALCO_VERSION" = "latest" ]; then FALCO_DRIVER_CHOICE=none apt-get install -y --no-install-recommends falco; else FALCO_DRIVER_CHOICE=none apt-get install -y --no-install-recommends falco=${FALCO_VERSION}; fi \
+	&& apt-get clean \
+	&& rm -rf /var/lib/apt/lists/*
+	
+# Falcoctl is not included here.
+RUN rm -rf /usr/bin/falcoctl /etc/falcoctl/
+
+RUN sed -e -i 's/time_format_iso_8601: false/time_format_iso_8601: true/' < /etc/falco/falco.yaml
+
+CMD ["/usr/bin/falco"]

docker/falco/Dockerfile

@@ -1,67 +1,43 @@
-FROM debian:bookworm
+FROM cgr.dev/chainguard/wolfi-base as builder
+
+ARG FALCO_VERSION
+ARG VERSION_BUCKET=bin
+
+ENV FALCO_VERSION=${FALCO_VERSION}
+ENV VERSION_BUCKET=${VERSION_BUCKET}
+
+RUN apk update && apk add curl ca-certificates jq libelf
+
+WORKDIR /
+
+RUN FALCO_VERSION_URLENCODED=$(echo -n ${FALCO_VERSION}|jq -sRr @uri) && \
+    curl -L -o falco.tar.gz \
+    https://download.falco.org/packages/${VERSION_BUCKET}/$(uname -m)/falco-${FALCO_VERSION_URLENCODED}-$(uname -m).tar.gz && \
+    tar -xvf falco.tar.gz && \
+    rm -f falco.tar.gz && \
+    mv falco-${FALCO_VERSION}-$(uname -m) falco && \
+    rm -rf /falco/usr/src/falco-*
+
+RUN sed -e 's/time_format_iso_8601: false/time_format_iso_8601: true/' < /falco/etc/falco/falco.yaml > /falco/etc/falco/falco.yaml.new \
+    && mv /falco/etc/falco/falco.yaml.new /falco/etc/falco/falco.yaml
+
+# Falcoctl is not included here.
+RUN rm -rf /falco/usr/bin/falcoctl /falco/etc/falcoctl/
+
+FROM cgr.dev/chainguard/wolfi-base
 
 LABEL maintainer="cncf-falco-dev@lists.cncf.io"
 LABEL org.opencontainers.image.source="https://github.com/falcosecurity/falco"
 
-LABEL usage="docker run -i -t --privileged -v /var/run/docker.sock:/host/var/run/docker.sock -v /dev:/host/dev -v /proc:/host/proc:ro -v /boot:/host/boot:ro -v /lib/modules:/host/lib/modules:ro -v /usr:/host/usr:ro -v /etc:/host/etc --name NAME IMAGE"
+LABEL usage="docker run -i -t --privileged -v /var/run/docker.sock:/host/var/run/docker.sock -v /dev:/host/dev -v /proc:/host/proc:ro --name NAME IMAGE"
+# NOTE: for the "least privileged" use case, please refer to the official documentation
 
-ARG TARGETARCH
+RUN apk update && apk add curl ca-certificates jq libelf
 
-ARG FALCO_VERSION=latest
-ARG VERSION_BUCKET=deb
-ENV VERSION_BUCKET=${VERSION_BUCKET}
-
-ENV FALCO_VERSION=${FALCO_VERSION}
 ENV HOST_ROOT /host
 ENV HOME /root
 
-RUN cp /etc/skel/.bashrc /root && cp /etc/skel/.profile /root
+USER root
-
+COPY --from=builder /falco /
-RUN apt-get update \
-	&& apt-get install -y --no-install-recommends \
-	bc \
-	bison \
-	ca-certificates \
-	clang \
-	curl \
-	dkms \
-	dwarves \
-	flex \
-	gcc \
-	gcc-11 \
-	gnupg2 \
-	jq \
-	libc6-dev \
-	libelf-dev \
-	libssl-dev \
-	llvm \
-	make \
-	netcat-openbsd \
-	patchelf \
-	xz-utils \
-	zstd \
-	&& rm -rf /var/lib/apt/lists/*
-
-RUN curl -s https://falco.org/repo/falcosecurity-packages.asc | apt-key add - \
-	&& echo "deb https://download.falco.org/packages/${VERSION_BUCKET} stable main" | tee -a /etc/apt/sources.list.d/falcosecurity.list \
-	&& apt-get update -y \
-	&& if [ "$FALCO_VERSION" = "latest" ]; then FALCO_DRIVER_CHOICE=none apt-get install -y --no-install-recommends falco; else FALCO_DRIVER_CHOICE=none apt-get install -y --no-install-recommends falco=${FALCO_VERSION}; fi \
-	&& apt-get clean \
-	&& rm -rf /var/lib/apt/lists/*
-
-# Change the falco config within the container to enable ISO 8601
-# output.
-RUN sed -e 's/time_format_iso_8601: false/time_format_iso_8601: true/' < /etc/falco/falco.yaml > /etc/falco/falco.yaml.new \
-	&& mv /etc/falco/falco.yaml.new /etc/falco/falco.yaml
-
-# Some base images have an empty /lib/modules by default
-# If it's not empty, docker build will fail instead of
-# silently overwriting the existing directory
-RUN rm -df /lib/modules \
-	&& ln -s $HOST_ROOT/lib/modules /lib/modules
-
-COPY ./docker-entrypoint.sh /
-
-ENTRYPOINT ["/docker-entrypoint.sh"]
 
 CMD ["/usr/bin/falco"]

docker/falco/docker-entrypoint.sh

@@ -1,136 +0,0 @@
-#!/usr/bin/env bash
-# SPDX-License-Identifier: Apache-2.0
-#
-# Copyright (C) 2023 The Falco Authors.
-#
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-
-print_usage() {
-	echo ""
-	echo "Usage:"
-	echo "  docker run -i -t --privileged -v /root/.falco:/root/.falco -v /proc:/host/proc:ro -v /boot:/host/boot:ro -v /lib/modules:/host/lib/modules:ro -v /usr:/host/usr:ro -v /etc:/host/etc:ro -e 'FALCO_DRIVER_LOADER_OPTIONS=[driver] [options]' falcosecurity/falco:latest"
-	echo ""
-	echo "Available FALCO_DRIVER_LOADER_OPTIONS drivers:"
-	echo "  auto	       leverage automatic driver selection logic (default)"
-	echo "  modern_ebpf    modern eBPF CORE probe"
-	echo "  kmod           kernel module"
-	echo "  ebpf           eBPF probe"
-	echo ""
-	echo "FALCO_DRIVER_LOADER_OPTIONS options:"
-	echo "  --help           show this help message"
-	echo "  --clean          try to remove an already present driver installation"
-	echo "  --compile        try to compile the driver locally (default true)"
-	echo "  --download       try to download a prebuilt driver (default true)"
- 	echo "  --http-insecure	 enable insecure downloads"
-	echo "  --print-env      skip execution and print env variables for other tools to consume"
-	echo ""
-	echo "Environment variables:"
-	echo "  FALCOCTL_DRIVER_REPOS         specify different URL(s) where to look for prebuilt Falco drivers (comma separated)"
-	echo "  FALCOCTL_DRIVER_NAME          specify a different name for the driver"
-	echo "  FALCOCTL_DRIVER_HTTP_HEADERS  specify comma separated list of http headers for driver download (e.g. 'x-emc-namespace: default,Proxy-Authenticate: Basic')"
-	echo ""
-}
-
-# Set the SKIP_DRIVER_LOADER variable to skip loading the driver
-
-if [[ -z "${SKIP_DRIVER_LOADER}" ]]; then
-    echo "* Setting up /usr/src links from host"
-
-    for i in "$HOST_ROOT/usr/src"/*
-    do
-        base=$(basename "$i")
-        ln -s "$i" "/usr/src/$base"
-    done
-
-    # convert the optional space-separated env variable FALCO_DRIVER_LOADER_OPTIONS to array, prevent 
-    # shell expansion and use it as argument list for falcoctl
-    read -a falco_driver_loader_option_arr <<< $FALCO_DRIVER_LOADER_OPTIONS
-
-    ENABLE_COMPILE="false"
-    ENABLE_DOWNLOAD="false"
-    HTTP_INSECURE="false"
-    driver=
-    has_opts=
-    for opt in "${falco_driver_loader_option_arr[@]}"
-    do
-        case "$opt" in
-            auto|kmod|ebpf|modern_ebpf)
-                if [ -n "$driver" ]; then
-                    >&2 echo "Only one driver per invocation"
-                    print_usage
-                    exit 1
-                else
-                    driver=$opt
-                fi
-                ;;
-            -h|--help)
-                print_usage
-                exit 0
-                ;;    
-            --clean)
-                /usr/bin/falcoctl driver cleanup
-                exit 0
-                ;;
-            --compile)
-                ENABLE_COMPILE="true"
-                has_opts="true"
-                ;;
-            --download)
-                ENABLE_DOWNLOAD="true"
-                has_opts="true"
-                ;;
-            --http-insecure)
-                HTTP_INSECURE="true"
-                ;;
-            --print-env)
-                /usr/bin/falcoctl driver printenv
-                exit 0
-                ;;
-            --*)
-                >&2 echo "Unknown option: $opt"
-                print_usage
-                exit 1
-                ;;
-            *)
-                >&2 echo "Unknown driver: $opt"
-                print_usage
-                exit 1
-                ;;
-        esac
-    done
-
-    # No opts passed, enable both compile and download
-    if [ -z "$has_opts" ]; then
-        ENABLE_COMPILE="true"
-        ENABLE_DOWNLOAD="true"
-    fi
-
-    # Default value: auto
-    if [ -z "$driver" ]; then
-      driver="auto"
-    fi
-
-    if [ "$driver" != "auto" ]; then
-      /usr/bin/falcoctl driver config --type $driver
-    else
-      # Needed because we need to configure Falco to start with correct driver
-      /usr/bin/falcoctl driver config --type modern_ebpf --type kmod --type ebpf
-    fi
-    /usr/bin/falcoctl driver install --compile=$ENABLE_COMPILE --download=$ENABLE_DOWNLOAD --http-insecure=$HTTP_INSECURE --http-headers="$FALCOCTL_DRIVER_HTTP_HEADERS"
-
-fi
-
-exec "$@"

docker/no-driver/Dockerfile

@@ -1,39 +0,0 @@
-FROM debian:12 as builder
-
-ARG FALCO_VERSION
-ARG VERSION_BUCKET=bin
-
-ENV FALCO_VERSION=${FALCO_VERSION}
-ENV VERSION_BUCKET=${VERSION_BUCKET}
-
-RUN apt-get -y update && apt-get -y install gridsite-clients curl ca-certificates
-
-WORKDIR /
-
-RUN curl -L -o falco.tar.gz \
-    https://download.falco.org/packages/${VERSION_BUCKET}/$(uname -m)/falco-$(urlencode ${FALCO_VERSION})-$(uname -m).tar.gz && \
-    tar -xvf falco.tar.gz && \
-    rm -f falco.tar.gz && \
-    mv falco-${FALCO_VERSION}-$(uname -m) falco && \
-    rm -rf /falco/usr/src/falco-*
-
-RUN sed -e 's/time_format_iso_8601: false/time_format_iso_8601: true/' < /falco/etc/falco/falco.yaml > /falco/etc/falco/falco.yaml.new \
-    && mv /falco/etc/falco/falco.yaml.new /falco/etc/falco/falco.yaml
-
-FROM debian:12-slim
-
-LABEL maintainer="cncf-falco-dev@lists.cncf.io"
-LABEL org.opencontainers.image.source="https://github.com/falcosecurity/falco"
-
-LABEL usage="docker run -i -t --privileged -v /var/run/docker.sock:/host/var/run/docker.sock -v /dev:/host/dev -v /proc:/host/proc:ro --name NAME IMAGE"
-# NOTE: for the "least privileged" use case, please refer to the official documentation
-
-RUN apt-get -y update && apt-get -y install ca-certificates curl jq libelf1 \
-    && apt clean -y && rm -rf /var/lib/apt/lists/*
-
-ENV HOST_ROOT /host
-ENV HOME /root
-
-COPY --from=builder /falco /
-
-CMD ["/usr/bin/falco", "-o", "time_format_iso_8601=true"]

docker/no-driver/Dockerfile.distroless

@@ -1,40 +0,0 @@
-FROM cgr.dev/chainguard/wolfi-base as builder
-
-ARG FALCO_VERSION
-ARG VERSION_BUCKET=bin
-
-ENV FALCO_VERSION=${FALCO_VERSION}
-ENV VERSION_BUCKET=${VERSION_BUCKET}
-
-RUN apk update && apk add build-base gcc curl ca-certificates jq elfutils
-
-WORKDIR /
-
-RUN FALCO_VERSION_URLENCODED=$(echo -n ${FALCO_VERSION}|jq -sRr @uri) && \
-    curl -L -o falco.tar.gz \
-    https://download.falco.org/packages/${VERSION_BUCKET}/$(uname -m)/falco-${FALCO_VERSION_URLENCODED}-$(uname -m).tar.gz && \
-    tar -xvf falco.tar.gz && \
-    rm -f falco.tar.gz && \
-    mv falco-${FALCO_VERSION}-$(uname -m) falco && \
-    rm -rf /falco/usr/src/falco-*
-
-RUN sed -e 's/time_format_iso_8601: false/time_format_iso_8601: true/' < /falco/etc/falco/falco.yaml > /falco/etc/falco/falco.yaml.new \
-    && mv /falco/etc/falco/falco.yaml.new /falco/etc/falco/falco.yaml
-
-FROM cgr.dev/chainguard/wolfi-base
-
-LABEL maintainer="cncf-falco-dev@lists.cncf.io"
-LABEL org.opencontainers.image.source="https://github.com/falcosecurity/falco"
-
-LABEL usage="docker run -i -t --privileged -v /var/run/docker.sock:/host/var/run/docker.sock -v /dev:/host/dev -v /proc:/host/proc:ro --name NAME IMAGE"
-# NOTE: for the "least privileged" use case, please refer to the official documentation
-
-RUN apk update && apk add libelf libstdc++
-
-ENV HOST_ROOT /host
-ENV HOME /root
-
-USER root
-COPY --from=builder /falco /
-
-CMD ["/usr/bin/falco", "-o", "time_format_iso_8601=true"]